Season 2
Class 3E and while some things have changed, the class assignment is still the same: kill their teacher before the end of the year. Easier said than done since Koro Sensei's made it clear he won't go down without a fight.
All Episodes
S2 E1: Summer Festival Time
S2 E2: Kaede Time
S2 E3: Itona Horibe Time
S2 E4: Spinning Time
S2 E5: Leader Time
S2 E6: Before & After Time
S2 E7: Reaper Time, Part 1
S2 E8: Reaper Time, Part 2
S2 E9: Round Two Time
S2 E10: School Festival Time
S2 E11: End-of-Term Time - Second Period
S2 E12: Think Outside the Box Time
S2 E13: Let Live Time
S2 E14: Secret Identity Time
S2 E15: Confession Time
S2 E16: Past Time
S2 E17: Discord Time
S2 E18: Outcome Time
S2 E19: Outer Space Time
S2 E20: Valentine's Day Time
S2 E21: Trust Time
S2 E22: Happy Birthday Time
S2 E23: Final Boss Time
S2 E24: Graduation Time
S2 E25: Future Time